2VCA v1

Dual Voltage Controlled Amplifier

Part of the Takaab range of modules by Siam Modular.

The Takaab 2VCA is an affordable dual linear voltage controlled amplifier in 3HP, based on the LM31700 chip. In contrast to our existing VCA-2180, the 2VCA has a near linear response, is pre-offset to be normally closed, and best of all there are two of them!

A positive voltage applied to the CV input will amplify any signal put through the 2VCA at more-or-less unity gain. So a +/-5V audio signal will be amplified to 5V if there is a +5V applied to the CV input. The 2VCA is DC coupled so it can be used to amplify voltages as well as audio signals.

Ebay: https://www.ebay.co.uk/itm/303379803797

https://www.siammodular.com/takaab-2vca-dual-voltage-controlled-amplifier